Hopeasiipi
Subtitle: sata vuotta Helkamaa
By: Tapani Mauranen ; [julkaisija, Helkama Bica oy] ; translation, Katariina Mauranen
Publisher: Otava
Published: 2005
Place of publication: Helsingissä
Language: fin
Translated from: und
Number of pages: 350
Subjects: History; Bicycle industry; Manufacturing industries; Helkama (yhtiö)
Notes: Includes bibliographical references.

Summary in English.